package demo;
//鼠标类实现接口
public class Mouse implements USB {
    @Override
    public void openDevice(){
        System.out.println("打开鼠标！");
    }
    @Override
    public void closeDevice(){
        System.out.println("关闭鼠标");
    }
    public void click(){
        System.out.println("鼠标点击！");
    }
}
